why all the real parts of rand_ket are negative?

[gc Wang]

When I generate a set of random states with the function rand_ket(), all the real parts of the random states are negative. who can tell me why? thanks.

rand_ket(4)

Out[33]: 

Quantum object: dims = [[4], [1]], shape = [4, 1], type = ket

Qobj data =

[[-0.52681013+0.25866913j]

 [-0.11754368-0.26533599j]

 [-0.61371674+0.25182812j]

 [-0.28101723+0.22870363j]]

[nonher...@gmail.com]

Because there is a bug in the code. Will be fixed tonight. 

Paul

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[gc Wang]

Thanks, Paul.

在 2016年4月27日星期三 UTC+1下午8:14:17，Paul Nation写道：